MASTEC INC hedge fund holdings
MTZNYSE$215.93+2.27 (+1.06%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
MTZ · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+0.2%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 237 | 160 | $1.07B | $1.04B | 551 | Aug 14, 2025 |
| Q3 2025 | 250 | 210 | $1.72B | $1.41B | 617 | Nov 14, 2025 |
| Q4 2025 | 214 | 194 | $1.66B | $1.3B | 651 | Feb 14, 2026 |
| Q1 2026 | 309 | 243 | $2.8B | $3.07B | 770 | May 15, 2026 |
| Q2 2026 | 370 | 271 | $3.04B | $2.58B | 856 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
856 filersNew position
145$571M+1.37M sh
Increased
225$2.47B+5.93M sh
Reduced
208-$2.24B-5.39M sh
Out / sold
63-$332M-797K sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | New Buy | +$247M | $247M | 0.16% | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Reduce 82.68% | -$116M | $24.3M | 0.04% | Aug 14, 2026 |
| Nordea Investment Management AB | Reduce 27.83% | -$86.9M | $225M | 0.18% | Aug 5, 2026 |
| Lone Pine Capital LLC | Reduce 12.14% | -$77.3M | $560M | 3.42% | Aug 14, 2026 |
| Tortoise Capital Advisors, L.L.C. | Added 683.70% | +$52.2M | $59.8M | 0.61% | Aug 14, 2026 |
| Westfield Capital Management Co LP | Added 49.79% | +$51.8M | $156M | 0.51% | Aug 12, 2026 |
| Hood River Capital Management LLC | Reduce 9.38% | -$50.5M | $488M | 3.54% | Aug 14, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | Added 1269.95% | +$47.9M | $51.7M | 0.03% | Jul 30, 2026 |
| Peconic Partners LLC | Added 2.79% | +$41.6M | $1.53B | 19.02% | Aug 14, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Added 614.01% | +$40.1M | $46.6M | 0.07% | Aug 13, 2026 |
| Electron Capital Partners, LLC | Reduce 13.02% | -$38.6M | $258M | 10.30% | Aug 14, 2026 |
| KBC Group NV | Added 4524.09% | +$37.1M | $37.9M | 0.08% | Aug 5, 2026 |
| Maplelane Capital, LLC | New Buy | +$36.9M | $36.9M | 0.67% | Aug 13, 2026 |
| First Trust Advisors LP | Reduce 5.89% | -$34.6M | $553M | 0.33% | Aug 11, 2026 |
| Anomaly Capital Management, LP | Added 36.71% | +$34.3M | $128M | 4.88% | Aug 14, 2026 |
| Holocene Advisors, LP | Sell 100% | -$32.7M | $0 | 0.00% | Aug 14, 2026 |
| Schroder Investment Management Group | Reduce 49.84% | -$30M | $30.2M | 0.02% | Aug 13, 2026 |
| Mitsubishi UFJ Asset Management Co., Ltd. | Added 44063.13% | +$29.3M | $29.4M | 0.02% | Aug 7, 2026 |
| Coatue Management LLC | Reduce 11.37% | -$27.6M | $215M | 0.44% | Aug 14, 2026 |
| 140 Summer Partners LP | Reduce 18.54% | -$25.4M | $112M | 7.97% | Aug 14, 2026 |
| Driehaus Capital Management LLC | Reduce 55.05% | -$23.8M | $19.5M | 0.11% | Aug 14, 2026 |
| Vontobel Holding Ltd. | Reduce 30.57% | -$23M | $52.1M | 0.17% | Aug 3, 2026 |
| Quantinno Capital Management LP | Added 62.29% | +$21.9M | $57M | 0.07% | Aug 13, 2026 |
| Aviva PLC | New Buy | +$20.3M | $20.3M | 0.03% | Aug 13, 2026 |
| Lord, Abbett & Co. LLC | Reduce 25.74% | -$19.7M | $56.9M | 0.16% | Aug 14, 2026 |
| Korea Investment CORP | New Buy | +$19M | $19M | 0.04% | Aug 12, 2026 |
| CloudAlpha Capital Management Limited/Hong Kong | Sell 100% | -$18.5M | $0 | 0.00% | Aug 10, 2026 |
| Vinva Investment Management Ltd | New Buy | +$16.8M | $16.8M | 0.11% | Aug 14, 2026 |
| Goodlander Investment Management, LLC | Reduce 27.59% | -$16.6M | $43.7M | 13.19% | Aug 14, 2026 |
| ING Groep NV | Reduce 67.87% | -$16.1M | $7.6M | 0.04% | Aug 13, 2026 |
| Samlyn Capital, LLC | Reduce 27.12% | -$15.6M | $41.9M | 0.68% | Aug 14, 2026 |
| Tidal Investments LLC | Added 114.91% | +$15.1M | $28.2M | 0.05% | Aug 13, 2026 |
| Community Trust & Investment Co | Reduce 32.89% | -$15M | $30.7M | 1.58% | Jul 8, 2026 |
| Riposte Capital LLC | Reduce 50.00% | -$14.6M | $14.6M | 3.23% | Aug 14, 2026 |
| Bruni J V & Co | Reduce 68.16% | -$14.4M | $6.71M | 0.61% | Aug 10, 2026 |
| Bridgewater Associates, LP | Reduce 82.64% | -$13.8M | $2.9M | 0.01% | Aug 14, 2026 |
| Muhlenkamp & Co Inc | Sell 100% | -$13.8M | $0 | 0.00% | Aug 18, 2026 |
| Merewether Investment Management, LP | Reduce 14.72% | -$13.7M | $79.1M | 1.49% | Aug 14, 2026 |
| Aventail Capital Group, LP | Reduce 60.14% | -$13.6M | $9.02M | 0.52% | Aug 14, 2026 |
| Webs Creek Capital Management LP | Reduce 31.02% | -$13.1M | $29.2M | 5.52% | Aug 14, 2026 |
| Square Wave Capital, LLC | Reduce 51.32% | -$12.9M | $12.3M | 1.83% | Aug 14, 2026 |
| J. Goldman & Co LP | Reduce 88.67% | -$12.9M | $1.65M | 0.04% | Aug 14, 2026 |
| Covalis Capital LLP | New Buy | +$12.8M | $12.8M | 0.72% | Aug 13, 2026 |
| Legacy Advisors, LLC | Added 32.17% | +$12.6M | $51.7M | 4.83% | Jul 24, 2026 |
| Third Point LLC | Reduce 9.38% | -$12.5M | $121M | 2.58% | Aug 14, 2026 |
| Jain Global LLC | Sell 100% | -$12.1M | $0 | 0.00% | Aug 14, 2026 |
| OP Asset Management Ltd | Reduce 15.48% | -$11.8M | $64.5M | 0.69% | Jul 28, 2026 |
| Great Lakes Advisors, LLC | Reduce 60.06% | -$11.5M | $7.63M | 0.06% | Aug 10, 2026 |
| Defiance ETFs, LLC | Added 155.70% | +$11.3M | $18.5M | 0.25% | Aug 14, 2026 |
| Scopus Asset Management, L.P. | Added 75.54% | +$11.3M | $26.2M | 0.37% | Aug 14, 2026 |
| Kirr Marbach & Co LLC | Reduce 16.52% | -$11M | $55.6M | 9.37% | Jul 14, 2026 |
| Freestone Grove Partners LP | Added 11.88% | +$10.9M | $103M | 0.66% | Aug 14, 2026 |
| ThornTree Capital Partners LP | Reduce 22.10% | -$10.4M | $36.5M | 5.00% | Aug 14, 2026 |
| Kennedy Capital Management LLC | Reduce 98.03% | -$10.2M | $205K | 0.00% | Aug 14, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Reduce 49.44% | -$9.99M | $10.2M | 0.01% | Aug 13, 2026 |
| Atika Capital Management LLC | Reduce 38.41% | -$9.21M | $14.8M | 0.97% | Aug 13, 2026 |
| Newbrook Capital Advisors LP | Added 18.98% | +$8.92M | $55.9M | 7.55% | Aug 14, 2026 |
| Tribune Investment Group LP | Reduce 73.66% | -$8.89M | $3.18M | 1.29% | Aug 13, 2026 |
| Forest Avenue Capital Management LP | Reduce 7.87% | -$8.83M | $103M | 4.34% | Aug 14, 2026 |
| SummitTX Capital, L.P. | Sell 100% | -$8.52M | $0 | 0.00% | Aug 14, 2026 |
| Nomura Asset Management Co Ltd | Added 5876.88% | +$8.46M | $8.6M | 0.02% | Aug 13, 2026 |
| Gotham Asset Management, LLC | Reduce 11.23% | -$7.98M | $63.1M | 0.15% | Aug 14, 2026 |
| Canada Pension Plan Investment Board | Reduce 2.98% | -$7.93M | $258M | 0.14% | Aug 14, 2026 |
| Scalar Gauge Management, LLC | New Buy | +$7.91M | $7.91M | 4.35% | Aug 14, 2026 |
| Capitolis Liquid Global Markets LLC | New Buy | +$7.91M | $7.91M | 0.03% | Aug 13, 2026 |
| Makena Capital Management LLC | Reduce 23.70% | -$7.81M | $25.2M | 2.64% | Aug 10, 2026 |
| Ci Investments Inc. | Added 80.81% | +$7.46M | $16.7M | 0.05% | Aug 13, 2026 |
| Mn Services Vermogensbeheer B.V. | New Buy | +$7.41M | $7.41M | 0.06% | Jul 31, 2026 |
| RH Tailwind Management, LLC | New Buy | +$7.07M | $7.07M | 0.69% | Aug 14, 2026 |
| Credit Agricole S A | Added 119.88% | +$6.91M | $12.7M | 0.03% | Aug 14, 2026 |
| Resona Asset Management Co.,Ltd. | Added 3137.74% | +$6.86M | $7.07M | 0.03% | Jul 29, 2026 |
| Jefferies Financial Group Inc. | Reduce 58.99% | -$6.59M | $4.58M | 0.03% | Aug 17, 2026 |
| Asset Management One Co., Ltd. | Added 34.66% | +$6.59M | $25.6M | 0.07% | Jul 28, 2026 |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | Added 104.80% | +$6.54M | $12.8M | 0.06% | Jul 29, 2026 |
| Bokf, NA | Sell 100% | -$6.44M | $0 | 0.00% | Aug 10, 2026 |
| Lombard Odier Asset Management (Europe) Ltd | Reduce 79.43% | -$6.43M | $1.66M | 0.07% | Aug 19, 2026 |
| 1060 Capital, LLC | Sell 100% | -$6.34M | $0 | 0.00% | Aug 13, 2026 |
| Cibc World Market Inc. | Reduce 85.48% | -$6.17M | $1.05M | 0.00% | Aug 13, 2026 |
| Van Eck Associates Corp | New Buy | +$5.93M | $5.93M | 0.00% | Aug 14, 2026 |
| Kornitzer Capital Management Inc | New Buy | +$5.87M | $5.87M | 0.12% | Jul 31, 2026 |
| Pictet Asset Management Holding SA | Added 137.30% | +$5.81M | $10M | 0.01% | Jul 30, 2026 |
| SIR Capital Management, L.P. | Added 38.28% | +$5.81M | $21M | 2.41% | Aug 14, 2026 |
| Hillman Co | Reduce 9.52% | -$5.73M | $54.5M | 19.27% | Jul 27, 2026 |
| Lansforsakringar Fondforvaltning AB (publ) | New Buy | +$5.7M | $5.7M | 0.03% | Aug 13, 2026 |
| Silvant Capital Management LLC | New Buy | +$5.63M | $5.63M | 0.16% | Aug 11, 2026 |
| CVFG LLC | New Buy | +$5.61M | $5.61M | 0.59% | Aug 11, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 173.07% | +$5.54M | $8.74M | 0.01% | Aug 13, 2026 |
| Farallon Capital Management, L.L.C. | Sell 100% | -$5.47M | $0 | 0.00% | Aug 14, 2026 |
| Vanguard Investments Australia, Ltd. | Added 82.68% | +$5.46M | $12.1M | 0.03% | Aug 13, 2026 |
| SEB Asset Management AB | Added 983.00% | +$5.46M | $6.02M | 0.02% | Aug 4, 2026 |
| Edgestream Partners, L.P. | New Buy | +$5.23M | $5.23M | 0.16% | Aug 11, 2026 |
| Voleon Capital Management LP | Reduce 66.24% | -$5.22M | $2.66M | 0.05% | Aug 14, 2026 |
| Mitchell Capital Management Co | New Buy | +$5.19M | $5.19M | 0.79% | Jul 30, 2026 |
| KLP Kapitalforvaltning As | Added 87.32% | +$5.16M | $11.1M | 0.04% | Aug 12, 2026 |
| IFM Investors Pty Ltd | New Buy | +$5.13M | $5.13M | 0.03% | Jul 21, 2026 |
| Needham Investment Management LLC | Added 60.45% | +$5.06M | $13.4M | 0.40% | Aug 14, 2026 |
| Banco Santander, S.A. | Reduce 20.79% | -$5.01M | $19.1M | 0.12% | Jul 29, 2026 |
| Lisanti Capital Growth, LLC | Sell 100% | -$4.85M | $0 | 0.00% | Aug 10, 2026 |
| Arosa Capital Management LP | Sell 100% | -$4.83M | $0 | 0.00% | Aug 14, 2026 |
| J. Safra Sarasin Holding AG | Reduce 28.40% | -$4.79M | $12.1M | 0.17% | Jul 31, 2026 |